MEMS Digital In-Place Inclinometer (IPI)
MEMS Digital In-Place Inclinometer (IPI) Systems are designed to measure lateral movement when remote and continuous monitoring is required.
- Description
- Characteristics
- Solutions
- Model information
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Струнный пьезометр
MEMS Digital In-Place Inclinometer (IPI) Systems are designed to measure lateral movement when remote and continuous monitoring is required.
Horizontal IPI sensors are also available for vertical deformation applications as well as inclined versions upon request. Each IPI employs MEMS accelerometer sensors housed inside a 28.1 mm (1.125 in) diameter, water-tight, stainless steel enclosure. The sensor body is rigidly connected to a 25.4 mm (1.0 in) diameter bay rod which establishes the length of the IPI. Multiple IPIs are assembled with pivots allowing sensing of displacement over discreet, configurable intervals. Wheel assemblies centralize the pivot point and establish the azimuth of each IPI. They are available in sizes to fit 70 mm (2.75 in) or 85 mm (3.34 in) OD inclinometer casing. The sensors are read through a connectorized signal cable which chains together multiple sensors. A data logger is used to monitor the deflection of each sensor on the digital bus. If necessary, an alarm can be triggered when movement reaches a threshold rate or magnitude.
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Technical specifications
- Range ±30°
- Resolution 0,0002° (0,004 мм/м)
- Non-linearity ±0,002° (0,03 мм/м)
- Non-linearity ±0.0013° (0.02 mm/m) (99% confidence interval)
- Sensor MEMS Accelerometer
- Temperature Dependent Uncertainty ±0.01% of reading/°C / ±0.0004°/°C
- Temperature Accuracy ±0,5 °С (0…60 °С); ±1,0 °С (-40…60 °С)
- Temperature Resolutio 0,06 °С
- Supply Voltage 5–15 V DC
- Operating Current 490 mA (average reading, per sensor)
- Standby Current <20 mA (per sensor)
- Signal Outpu RS485 (MODBUS RTU Protocol)
- Operating Temperature −40…+60 °С
- Ingress Protection IP68 (2 MPa)
- Gauge Lengt 0.5 to 3 m
- Sensor Diameter 28.6 mm (1.125 in)
- Bay Rod Diameter 25.4 mm (1.0 in)
- Wheel Assembly 70 mm or 85 mm
- System Maximum Weight 180 kgf
- Sensor & Bay Rod Assembly Weight (dry / submerged in H₂O):
- 0.5 m: 1.25 / 1.00 kgf
- 1,0 м: 1,63 / 1,12 kgf
- 1,5 м: 2,00 / 1,24 kgf
- 2,0 м: 2,37 / 1,36 kgf
- 3,0 м: 3,11 / 1,60 kgf
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Ideal for monitoring of:
- Stability adjacent to excavations or underground workings
- Deflection of piles, piers, abutments, and retaining walls
- Dams and embankments
- Landslides
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Technical specifications
Model Description Pressure range Dimensions (O x length) IP127050-U-70mm Vertical Vertical In-Place Inclinometer with 70 mm wheel assembly 70 mm IP127050-U-85mm Vertical Vertical In-Place Inclinometer with 85 mm wheel assembly 85 mm IP127050-D-70mm Horizontal Horizontal In-Place Inclinometer with 70 mm wheel assembly 70 mm IP127050-D-85mm Horizontal Horizontal In-Place Inclinometer with 85 mm wheel assembly 85 mm
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